PC programmer needed for seasonal stock charts and numbers

I am a private Investor with 30 years of experience. I need to screen thousands of securities (stocks, commodities, indices etc.) for seasonal patterns. Have you ever programmed something like this (import financial data, understand financial relationships etc.)? There are programmes out there (and I can give you links of websites) but I have to integrate all the things I have found personally which is plenty and I have to be able to own the programme and change and add things all the time. Right now I am doing all this on Excel sheets and I have found stocks with amazing data, patterns and relationships in the past. I know it can be done much better via a smart programme with good graphic presentation and I need one now as it gets too complex and I want to screen every market which means thousands of stocks all the time. A big part of my investment decisions are already based on a lot of seasonal data I have found. Other things like fundamental data, inverse interest curves, moving averages etc. might have to be integrated but right now it is enough if I can play around with all the seasonal data. I am downloading my data for free from Yahoo finance mostly in the moment but I am sure there are much better sources. I have seen a programme (programmed in Visual Basics) where a lot of the things I needed were integrated pretty quickly so I think most of the things are not so difficult to programme even if you are new to this business. The bigger problem or work might be to find, sort, clean and import the data. I need a programme like that on my desktop as fast as possible even if it is far from perfect! I just need some numbers to start with. Graphical presentation can be added later. Contact me!